FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy, specifically to titanium alloys, used to make load-carrying structures, operating for a long time at temperatures of up to 350 °C. Alloy contains, wt%: aluminium – 1.8–3.5, molybdenum – 1.0–3.0, vanadium – 8.0–12.0, chrome – 2.5–4.6, iron – 0.3–1.6, zirconium – 0.4–2.0, tin 0.4–2.0, ruthenium – 0.01–0.16, titanium – balance. Alloy can additionally contain yttrium and/or gadolinium 0.01–0.16.
EFFECT: alloy is characterised by high characteristics of ultimate strength at 20 °C in quenched and thermally hardened conditions while maintaining satisfactory ultimate ductility and corrosion resistance against crevice and pitting corrosion.
6 cl, 3 tbl, 8 ex
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